Sony Vaio VGN-SZ220 came to us with Core Duo T2400 1.83GHz main central processor inside and HP Compaq nx8220 came to us with Pentium M740 1.73GHz processor inside.
Screen size on HP Compaq nx8220 is larger, 15.4 comparing to 13.3 on Sony Vaio VGN-SZ220.
Sony Vaio VGN-SZ220 model we've tested had more RAM (1GB) than HP Compaq nx8220 (0.5GB).
Graphic card inside Vaio VGN-SZ220 is Nvidia Go 7400 and other laptop uses ATI X600.
Video cards contains chips with 128MB of memory on Sony Vaio VGN-SZ220, other laptop have less (64MB) of memory on video card.
More hard drive space were available at Sony Vaio VGN-SZ220 (120GB is contast to 60GB).
Don't forget that you might not be able easily to upload/download pictures on Sony Vaio VGN-SZ220 from camera and mobile phone during the lack of bluetooth connection.
Sony Vaio VGN-SZ220 doesn't have infrared device.
No firewire connection on model HP Compaq nx8220.
PCMCIA is available only on Sony Vaio VGN-SZ220 and it is needed by some TV cards and external modems.
Both notebooks have cardreader. At Sony Vaio VGN-SZ220 it reads 5 different card types and cardreader in HP Compaq nx8220 supports 1 different card types.
They don't have DVI for new monitors.
Operating system is XP Media Center on Sony Vaio VGN-SZ220 and XP Pro on HP Compaq nx8220.
There are additional software only on Sony Vaio VGN-SZ220 and it is Works 8.5.
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